package company.meituan_F;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class LianXi1 {

//    public static void main(String[] args) {
//        Scanner sc = new Scanner(System.in);
//        int n = sc.nextInt();
//        long[] dp = new long[n + 2];
//        dp[0] = 1;
//        dp[1] = 1;
//        for (int i = 2; i <= n; i++) {
//            dp[i] = dp[i - 1] + dp[i - 2];
//        }
//        System.out.println(dp[n]);
//    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
//        long[] dp = new long[n + 1];
        List<Long> list = new ArrayList<>();
        list.add((long) 1);
        list.add((long) 1);
//        dp[0] = 1;
//        dp[1] = 1;
        for (int i = 2; i <= n; i++) {
            list.add(list.get(i - 1) + list.get(i - 2));
            //dp[i] = dp[i - 1] + dp[i - 2];
        }
        System.out.println(list);
        System.out.println(list.get(list.size() - 1));
    }
}
